Create an interface for KeySystems, migrate WebEncryptedMediaClientImpl.

mojo/services/html_viewer/html_document.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "mojo/services/html_viewer/html_document.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/single_thread_task_runner.h"
 #include "base/stl_util.h"
 #include "base/strings/string_util.h"
 #include "base/thread_task_runner_handle.h"
+#include "media/base/key_systems.h"
 #include "media/blink/webencryptedmediaclient_impl.h"
 #include "media/cdm/default_cdm_factory.h"
 #include "media/filters/default_media_permission.h"
 #include "mojo/services/html_viewer/blink_input_events_type_converters.h"
 #include "mojo/services/html_viewer/blink_url_request_type_converters.h"
 #include "mojo/services/html_viewer/weblayertreeview_impl.h"
 #include "mojo/services/html_viewer/webmediaplayer_factory.h"
 #include "mojo/services/html_viewer/webstoragenamespace_impl.h"
 #include "mojo/services/html_viewer/weburlloader_impl.h"
 #include "skia/ext/refptr.h"
@@ skipping 254 matching lines @@
     blink::WebHistoryCommitType commit_type) {
   if (navigator_host_.get())
     navigator_host_->DidNavigateLocally(history_item.urlString().utf8());
 }
 
 blink::WebEncryptedMediaClient* HTMLDocument::encryptedMediaClient() {
   if (!web_encrypted_media_client_) {
     if (!media_permission_)
       media_permission_.reset(new media::DefaultMediaPermission(true));
     web_encrypted_media_client_.reset(new media::WebEncryptedMediaClientImpl(
+        media::KeySystems::GetInstance(),
         make_scoped_ptr(new media::DefaultCdmFactory()),
         media_permission_.get()));
   }
   return web_encrypted_media_client_.get();
 }
 
 void HTMLDocument::OnViewBoundsChanged(View* view,
                                        const Rect& old_bounds,
                                        const Rect& new_bounds) {
   DCHECK_EQ(view, root_);
   web_view_->resize(
       blink::WebSize(view->bounds().width, view->bounds().height));
 }
 
 void HTMLDocument::OnViewDestroyed(View* view) {
   DCHECK_EQ(view, root_);
   root_ = nullptr;
 }
 
 void HTMLDocument::OnViewInputEvent(View* view, const mojo::EventPtr& event) {
   scoped_ptr<blink::WebInputEvent> web_event =
       event.To<scoped_ptr<blink::WebInputEvent>>();
   if (web_event)
     web_view_->handleInputEvent(*web_event);
 }
 
 }  // namespace html_viewer